2003 Chevy S-10 brake lights

2003 CHEVROLET S-10
110,000 MILES • 4 CYL • 2WD • AUTOMATIC
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MAUREEN33
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  • 2 POSTS
hi my high mounted brake light works and my rear brake lights will not work, have replaced all bulbs , checked fuses, none blown. there is a clicking sound when i tap the brakes from the brake light switch. doesn't the brake light switch also control the high mounted brake light? any ideas that could possibly get me in the right direction of solving this.
Apr 19, 2010 at 3:57 PM
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INTERNETMECHANIC
  • CAR REPAIR CONTRIBUTOR
  • 700 POSTS
Yes, the brake lite switch supplies voltage to both the high and low brake lites. The lower brake lites are wired through the multifunction switch. The high-mount brake lite isn't wired through the multifunction switch. There are left and right turn fuses, did you use a voltage tester on the fuse circuit with brake switch activated? Even if the fuse is good, if no voltage on the circuit, the circuit is dead. Your lower brake lites and turn signal use the same bulb filament, just not at the same time. The problem is usually the multifunction switch or wiring in the steering column. All repair info says to disarm air-bag, where applicable, when working around the steering column.
Apr 20, 2010 at 10:53 AM
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MAUREEN33
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thank you internetmechanic, turns out it definately was the multifunction switch!! arghhhh!! now to get some work done!
Apr 21, 2010 at 2:20 PM
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